Keep in mind that farmers generally get their eggs to stores within a week, and both the pack date and sell by date are stamped onto the carton. The numbers run from 1-365, depending on the day of the year. Lastly, there is a big difference in taste between farm fresh eggs and week-old eggs.
The different types of lipids are triglycerides, sterols, and  phospholipids. Triglycerides include many fats and sterols,  including cholesterol. A phospholipid consists of â¦ two fatty acids,  glycerol, and a phosphate group. Joanna Grana Maciel.
Another type of lipid is a wax. Waxes are composed of a number of esters (such as that shown below) with long (12 or more carbons), unbranched carbon chains (R1 and R2 below). An example of an ester component of a wax is shown below. Fats, fatty acids, and waxes are just a few types of lipids.